Koukyuu Days - Shichi Kuni Monogatari

Hisui, a crossdresser dancer who works for the Golden Rooster Theatre Group, was orphaned when her parents were killed by a group of bandits ten years ago and her brother Kohaku was abducted. When the group performed in the capital, she met with the Emperor who looks like her missing brother. He suddenly summoned her to the imperial palace. Could the Emperor possibly be her long lost brother?! Inspired by The Story of Saiunkoku.